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Finding the Fourth Proportional to 623.06, 935.40 and 363.32

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Solution

The fourth proportional to 623.06, 935.40 and 363.32 is: 545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.06 : 935.40 = 363.32 : x
  2. Step 2: Convert to fraction form
    623.06/935.40 = 363.32/x
  3. Step 3: Cross multiply
    623.06x = 935.40 × 363.32
  4. Step 4: Simplify right side
    623.06x = 339,849.53
  5. Step 5: Solve for x
    x = 339,849.53/623.06
  6. Step 6: Final answer
    x = 545.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.